Home / 655,517,650,505.93-904,892,896,340.10-408,442,002,080.70

Finding the Fourth Proportional to 655,517,650,505.93, 904,892,896,340.10 and 408,442,002,080.70

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Solution

The fourth proportional to 655,517,650,505.93, 904,892,896,340.10 and 408,442,002,080.70 is: 563,823,515,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,517,650,505.93 : 904,892,896,340.10 = 408,442,002,080.70 : x
  2. Step 2: Convert to fraction form
    655,517,650,505.93/904,892,896,340.10 = 408,442,002,080.70/x
  3. Step 3: Cross multiply
    655,517,650,505.93x = 904,892,896,340.10 × 408,442,002,080.70
  4. Step 4: Simplify right side
    655,517,650,505.93x = 369,596,266,249,753,762,725,888
  5. Step 5: Solve for x
    x = 369,596,266,249,753,762,725,888/655,517,650,505.93
  6. Step 6: Final answer
    x = 563,823,515,605.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.